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+--- Thread: Easiest way to get datatype string (/showthread.php?tid=4146)
Easiest way to get datatype string - Hadeel - 13.07.2022
Hi !
I want to get a datatype of each object as "dt.bool" or "dt.bit2".
When I use the function grp.find('0/1/0').datatype, it gives me a number like 1, 2, not a datatype string.
Is there a mapping table somewhere so that I can get a datatype string as "dt.bool" or "dt.bit2" ?
For now I am trying to create a mapping table like this below but I am not sure if all of them are correct.
Is there any other way?
Code:
local convertToString = {
[1] = "dt.bool",
[2] = "dt.bit2",
[3] = "dt.bit4",
[4] = "dt.char",
[5] = "dt.uint8",
[6] = "dt.int8",
[7] = "dt.uint16",
[8] = "dt.int16",
[9] = "dt.float16",
[10] = "dt.time",
[11] = "dt.date",
[12] = "dt.uint32",
[13] = "dt.int32",
[14] = "dt.float32",
[15] = "dt.access",
[16] = "dt.string",
}RE: Easiest way to get datatype string - admin - 13.07.2022
Use this example. It also handles sub-datatypes which don't have a dt table entry (e.g. 01.011 -> dt.bool).
Code:
mapping = {}
for key, value in pairs(dt) do
mapping[ value ] = 'dt.' .. key
end
obj = grp.find('1/1/2')
dpt = obj.datatype
if dpt then
dtname = mapping[ dpt ]
if not dtname and dpt >= 1000 then
dtname = mapping[ math.floor(dpt / 1000) ]
end
end
log(dtname)RE: Easiest way to get datatype string - Hadeel - 13.07.2022
Thank you very very much admin !!
It's working perfect (: